Hi, I am trying to migrate an Iceberg Hadoop table to a table using the hive catalog. Luckily the table is appended only, so there are no delete files. It is not clear which APIs were used in a previous post <https://lists.apache.org/thread.html/r39f2c773bc06889cb19d7de3729d868fccbafbafcfab1922332a4dc6%40%3Cdev.iceberg.apache.org%3E> .
The list of ManifestFiles in the current snapshot can be obtained with the Snapshot allManifests <https://iceberg.apache.org/javadoc/0.11.1/org/apache/iceberg/Snapshot.html#allManifests--> API. However, they cannot be added to the new table's AppendFiles <https://iceberg.apache.org/javadoc/0.11.1/org/apache/iceberg/AppendFiles.html> for committing because the snapshot id needs to be blank <https://github.com/apache/iceberg/blob/master/core/src/main/java/org/apache/iceberg/MergeAppend.java#L55> . Alternatively, the table snapshots <https://iceberg.apache.org/javadoc/0.11.1/org/apache/iceberg/Table.html#snapshots--> API can be used to get all snapshots of the table. From there, data files for each snapshot can be obtained with addedFiles <https://iceberg.apache.org/javadoc/0.11.1/org/apache/iceberg/Snapshot.html#addedFiles--> API and then added to AppendFiles of the new table with hive catalog. I am not sure the latter is correct for the migration. Any input is appreciated. -- Huadong
